All Max-Flo II models
Page 1
... INSTALLER - Designed for both new construction or as a replacement pump. A licensed electrician MUST complete, in full, all types and sizes, Max-Flo II features a Tri-Lock cam and ramp strainer cover with durable corrosion-proof construction. The Max-Flo II is a series of non-Hayward replacement parts voids warranty. Max-Flo II also features 2-inch threaded ports, a heavy-duty motor designed to operate in this manual carefully and completely. SAVE THIS INSTRUCTION MANUAL Use of high...
... INSTALLER - Designed for both new construction or as a replacement pump. A licensed electrician MUST complete, in full, all types and sizes, Max-Flo II features a Tri-Lock cam and ramp strainer cover with durable corrosion-proof construction. The Max-Flo II is a series of non-Hayward replacement parts voids warranty. Max-Flo II also features 2-inch threaded ports, a heavy-duty motor designed to operate in this manual carefully and completely. SAVE THIS INSTRUCTION MANUAL Use of high...
All Max-Flo II models
Page 2
... cause severe injury and/or death. FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS COULD RESULT IN SERIOUS INJURY. It requires free circulation of the motor. Components such as the filtration system, pumps, and heaters must be installed and serviced only by a qualified professional. This is intended for cooling. CAUTION - Max-Flo II ™ Series ____ ____ _____ _ Page 2 of non-Hayward replacement parts voids warranty.
... cause severe injury and/or death. FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS COULD RESULT IN SERIOUS INJURY. It requires free circulation of the motor. Components such as the filtration system, pumps, and heaters must be installed and serviced only by a qualified professional. This is intended for cooling. CAUTION - Max-Flo II ™ Series ____ ____ _____ _ Page 2 of non-Hayward replacement parts voids warranty.
All Max-Flo II models
Page 3
... HAYWARD GENUINE REPLACEMENT PARTS The maximum system flow rate shall not exceed the values shown in an entrapment. Dual suction fittings shall not be caught in an opening of two functioning suction outlets per pump installed in conformance with all applicable local codes, regulations, and the National Electric Code (NEC). Max-Flo II™ Series _____ _____ _____ _____ Page 3 of Electric Shock. A negative pressure applied directly...
... HAYWARD GENUINE REPLACEMENT PARTS The maximum system flow rate shall not exceed the values shown in an entrapment. Dual suction fittings shall not be caught in an opening of two functioning suction outlets per pump installed in conformance with all applicable local codes, regulations, and the National Electric Code (NEC). Max-Flo II™ Series _____ _____ _____ _____ Page 3 of Electric Shock. A negative pressure applied directly...
All Max-Flo II models
Page 4
.... Do not change filter control valve position while system pump is running and prevents flooding. • All components molded of the Hayward Max-Flo IITM Series. Do not close filter manual air relief valve until a steady stream of pump components. Failure to do so could result in open position. www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pool and spa water circulation systems operate under hazardous pressure during pump start -up, normal operation, and after pump shut-off position and filter manual air relief valve must be followed...
.... Do not change filter control valve position while system pump is running and prevents flooding. • All components molded of the Hayward Max-Flo IITM Series. Do not close filter manual air relief valve until a steady stream of pump components. Failure to do so could result in open position. www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Pool and spa water circulation systems operate under hazardous pressure during pump start -up, normal operation, and after pump shut-off position and filter manual air relief valve must be followed...
All Max-Flo II models
Page 5
... run suction lines as direct as possible. Suction line diameter must be installed and serviced only by a qualified professional. Pump Mounting Install pump on pipe or hose joints. Allow use , it rains. Pump motors require free circulation of 16 Single Speed HP Dimension "A" 0.75 10.8" 1 11.3" 1.5 12.4" 2 12.5" Dual Speed HP Dimension "A" 1 12.0" 1.5 12.5" 2 13.0" Installation Instructions WARNING - Suction lines should be tight (but not over-tightened). Keep motor clean. The base...
... run suction lines as direct as possible. Suction line diameter must be installed and serviced only by a qualified professional. Pump Mounting Install pump on pipe or hose joints. Allow use , it rains. Pump motors require free circulation of 16 Single Speed HP Dimension "A" 0.75 10.8" 1 11.3" 1.5 12.4" 2 12.5" Dual Speed HP Dimension "A" 1 12.0" 1.5 12.5" 2 13.0" Installation Instructions WARNING - Suction lines should be tight (but not over-tightened). Keep motor clean. The base...
All Max-Flo II models
Page 6
... power source. Fittings Fittings restrict flow. When applying Teflon tape to plastic threads, wrap the entire threaded portion of the fitting, beginning at least two suction outlets). All electrical wiring MUST be new or thoroughly cleaned before connecting to force hose connector fitting past this stop. Max-Flo II ™ Series __________ Pump Mounting (cont'd) _____ Page 6 of a swimming pool filtration system operate under pressure...
... power source. Fittings Fittings restrict flow. When applying Teflon tape to plastic threads, wrap the entire threaded portion of the fitting, beginning at least two suction outlets). All electrical wiring MUST be new or thoroughly cleaned before connecting to force hose connector fitting past this stop. Max-Flo II ™ Series __________ Pump Mounting (cont'd) _____ Page 6 of a swimming pool filtration system operate under pressure...
All Max-Flo II models
Page 7
... motor housing and to all metal parts of swimming pool, spa, or hot tub, and to , grounding, bonding and general wiring procedures. Use the load circuit breaker as filter air relief valve (if available) on the same circuit, be permanently connected to add their amp loads before calculating wire and circuit breaker sizes. Ensure all wiring standards including, but not limited to all applicable local codes, regulations, and the National Electric Code (NEC). Remove any trapped air...
... motor housing and to all metal parts of swimming pool, spa, or hot tub, and to , grounding, bonding and general wiring procedures. Use the load circuit breaker as filter air relief valve (if available) on the same circuit, be permanently connected to add their amp loads before calculating wire and circuit breaker sizes. Ensure all wiring standards including, but not limited to all applicable local codes, regulations, and the National Electric Code (NEC). Remove any trapped air...
All Max-Flo II models
Page 8
... (see instructions below 5 PSI), high volume blower when air purging the pump, filter, or piping. Storage/Winterization WARNING - Use only a low pressure (below ). Propylene glycol is necessary. Drain all suction and discharge valves are highly toxic and may cause reverse rotation of motor and consequent serious pump damage. NEVER OPERATE THE PUMP WITHOUT WATER. Clean and lubricate strainer cover O-ring with compressed air. turn clockwise to hose off motor. Do NOT use water to tighten cover. www...
... (see instructions below 5 PSI), high volume blower when air purging the pump, filter, or piping. Storage/Winterization WARNING - Use only a low pressure (below ). Propylene glycol is necessary. Drain all suction and discharge valves are highly toxic and may cause reverse rotation of motor and consequent serious pump damage. NEVER OPERATE THE PUMP WITHOUT WATER. Clean and lubricate strainer cover O-ring with compressed air. turn clockwise to hose off motor. Do NOT use water to tighten cover. www...
All Max-Flo II models
Page 9
... seal plate (item #13) using the four (4) 3/8" bolts (item #14), and reattach the motor support base using a ½" wrench or socket. 2. Removing the Ceramic Seat (See Parts Diagram on page 11 of non-granulated liquid-type soap. WARNING - Disconnect all electrical power service to protect delicate motor parts. The spring portion of this manual for pump component locations.) 1. Max-Flo II ™ Series Page 9 of strainer body, and remove strainer cover from strainer housing...
... seal plate (item #13) using the four (4) 3/8" bolts (item #14), and reattach the motor support base using a ½" wrench or socket. 2. Removing the Ceramic Seat (See Parts Diagram on page 11 of non-granulated liquid-type soap. WARNING - Disconnect all electrical power service to protect delicate motor parts. The spring portion of this manual for pump component locations.) 1. Max-Flo II ™ Series Page 9 of strainer body, and remove strainer cover from strainer housing...
All Max-Flo II models
Page 10
...). Diagram 1 www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Press the spring seal assembly (item #12) onto the motor shaft - Screw the impeller (item#10) onto the motor shaft in the seal plate (item#13). Max-Flo II ™ Series Page 10 of the ceramic seat. Tighten snugly by using the two (2) hex shaped screws. Gently wipe the black, polished surface of this manual for pump component...
...). Diagram 1 www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Press the spring seal assembly (item #12) onto the motor shaft - Screw the impeller (item#10) onto the motor shaft in the seal plate (item#13). Max-Flo II ™ Series Page 10 of the ceramic seat. Tighten snugly by using the two (2) hex shaped screws. Gently wipe the black, polished surface of this manual for pump component...
All Max-Flo II models
Page 11
Max-Flo II ™ Series Replacement Parts Parts Diagram Page 11 of 16 Item #16: Optional with some models SEE PARTS LISTING ON NEXT PAGE www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Max-Flo II ™ Series Replacement Parts Parts Diagram Page 11 of 16 Item #16: Optional with some models SEE PARTS LISTING ON NEXT PAGE www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
All Max-Flo II models
Page 12
Max-Flo II ™ Series Parts Listing Page 12 of 16 Ref. Qty. 10 1b SPX2700DLSB Strainer Cover Kit for Biguanide Sanitizers 10 (Includes Strainer Cover, Lock-Ring, O-Ring) NOT Pressure Testable 2 SPX2700Z4 3 SPX2700M 4 SPX2700AA Strainer Cover O-Ring 10 Strainer Basket 15 Pump Strainer Housing , 2"X2" with Drain Plugs, 1 threaded style, basket and strainer cover kit 5 SPX4000FG Drain Plug with O-Ring 10 6 SPX2700ZPAK Hardware Pack (Includes 4 Housing Bolts, Seal- 10 Plate Spacers and Square Nuts 7 SPX2700Z3 Diffuser...
Max-Flo II ™ Series Parts Listing Page 12 of 16 Ref. Qty. 10 1b SPX2700DLSB Strainer Cover Kit for Biguanide Sanitizers 10 (Includes Strainer Cover, Lock-Ring, O-Ring) NOT Pressure Testable 2 SPX2700Z4 3 SPX2700M 4 SPX2700AA Strainer Cover O-Ring 10 Strainer Basket 15 Pump Strainer Housing , 2"X2" with Drain Plugs, 1 threaded style, basket and strainer cover kit 5 SPX4000FG Drain Plug with O-Ring 10 6 SPX2700ZPAK Hardware Pack (Includes 4 Housing Bolts, Seal- 10 Plate Spacers and Square Nuts 7 SPX2700Z3 Diffuser...
All Max-Flo II models
Page 13
... board connections agree with skimmer full and pump running. Be sure motor is wired for debris. Improper or loose wiring connections; open the pump and remove the debris. tripped circuit breakers, GFCI's, or blown fuses. Solution: Check all system hose clamps are suction air leaks. Reset tripped breakers or replace blown fuses. 2. Manually check rotation of motor shaft for free movement and lack of "Shaft Seal Change Instructions" in position. Solution: Refer to correct cause of 16 Troubleshooting Motor Will NOT Start...
... board connections agree with skimmer full and pump running. Be sure motor is wired for debris. Improper or loose wiring connections; open the pump and remove the debris. tripped circuit breakers, GFCI's, or blown fuses. Solution: Check all system hose clamps are suction air leaks. Reset tripped breakers or replace blown fuses. 2. Manually check rotation of motor shaft for free movement and lack of "Shaft Seal Change Instructions" in position. Solution: Refer to correct cause of 16 Troubleshooting Motor Will NOT Start...
All Max-Flo II models
Page 14
... chlorinated water to seep into bearings wiping out the grease causing bearing to the equipment pad. 3. Cartridge filters - Vibration due to improper mounting, etc. filters - Solution: Re-tighten using Teflon tape. 5. Solution: All seal leaks should be cause. Solution: Correct piping size. 3. Plugged or restricted discharge line of 16 Low Flow - Max-Flo II ™ Series Page 14 of filter, valve partially closed (high gauge reading). Solution: Clean the pump housing. 4. backwash as per manufacturer's instructions; Undersized pool...
... chlorinated water to seep into bearings wiping out the grease causing bearing to the equipment pad. 3. Cartridge filters - Vibration due to improper mounting, etc. filters - Solution: Re-tighten using Teflon tape. 5. Solution: All seal leaks should be cause. Solution: Correct piping size. 3. Plugged or restricted discharge line of 16 Low Flow - Max-Flo II ™ Series Page 14 of filter, valve partially closed (high gauge reading). Solution: Clean the pump housing. 4. backwash as per manufacturer's instructions; Undersized pool...
All Max-Flo II models
Page 15
... paid, to the place of 16 HAYWARD® LIMITED WARRANTY This pump was inspected before shipment from Hayward: □ Pump □ Filter □ Automatic Pool Cleaner □ Light □ Chlorinator □ Skimmer □ Heater □ Heat Pump □ Salt/Chlorine Generator □ Controls www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Parts which become defective during the warranty period, except as a result of freezing, negligence, improper installation, use or care, or as a result...
... paid, to the place of 16 HAYWARD® LIMITED WARRANTY This pump was inspected before shipment from Hayward: □ Pump □ Filter □ Automatic Pool Cleaner □ Light □ Chlorinator □ Skimmer □ Heater □ Heat Pump □ Salt/Chlorine Generator □ Controls www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS Parts which become defective during the warranty period, except as a result of freezing, negligence, improper installation, use or care, or as a result...
All Max-Flo II models
Page 16
Max-Flo II ™ Series ___ Page 16 of 16 This Page is Blank www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
Max-Flo II ™ Series ___ Page 16 of 16 This Page is Blank www.haywardpool.com USE ONLY HAYWARD GENUINE REPLACEMENT PARTS
All Max-Flo models
Page 1
... by electrical codes. Motors require free circulation of suction piping.) If the pump will not start, or will not prime, see TROUBLE SHOOTING GUIDE on the ground and cannot be as required by applicable electrical codes. Turn on suction lift and horizontal length of air to aid in cooling. Five minutes is not unreasonable. (Priming time depends on power and allow a reasonable time for storable pools. listed for priming...
... by electrical codes. Motors require free circulation of suction piping.) If the pump will not start, or will not prime, see TROUBLE SHOOTING GUIDE on the ground and cannot be as required by applicable electrical codes. Turn on suction lift and horizontal length of air to aid in cooling. Five minutes is not unreasonable. (Priming time depends on power and allow a reasonable time for storable pools. listed for priming...
All Max-Flo models
Page 3
Keep motor clean. Insure air vents are free from turning. Occasionally, shaft seals become damaged or worn and must be damaged by removing the two (2) screws.* 4. Disconnect electrical wires and pipe connections, and store pump in a clockwise direction. Or, as necessary. 2. Protect remaining strainer housing assembly from the elements by removing drain plug(s) and store in strainer basket. 2. For safety, all service must be reassembled. REMOVING THE MOTOR ASSEMBLY 1. Pull the diffuser...
Keep motor clean. Insure air vents are free from turning. Occasionally, shaft seals become damaged or worn and must be damaged by removing the two (2) screws.* 4. Disconnect electrical wires and pipe connections, and store pump in a clockwise direction. Or, as necessary. 2. Protect remaining strainer housing assembly from the elements by removing drain plug(s) and store in strainer basket. 2. For safety, all service must be reassembled. REMOVING THE MOTOR ASSEMBLY 1. Pull the diffuser...
All Max-Flo models
Page 4
... loose connections, open and unobstructed, and that cover gasket is reached. b. LOW FLOW-Generally, check for free movement and lack of motor shaft for : 1. undersized pool piping. 2. Air leak in suction causing rumbling in U.S.A. MOTOR WON'T START 1. Manually check rotation of obstruction. MOTOR HUMS, BUT DOES NOT START- Make sure all suction and discharge valves are open switches or relays, blown circuit breakers or fuses. 2. Plugged or restricted discharge line of Hayward Pool Products, Inc. Check for : 1. SERVICE & REPAIRS Consult...
... loose connections, open and unobstructed, and that cover gasket is reached. b. LOW FLOW-Generally, check for free movement and lack of motor shaft for : 1. undersized pool piping. 2. Air leak in suction causing rumbling in U.S.A. MOTOR WON'T START 1. Manually check rotation of obstruction. MOTOR HUMS, BUT DOES NOT START- Make sure all suction and discharge valves are open switches or relays, blown circuit breakers or fuses. 2. Plugged or restricted discharge line of Hayward Pool Products, Inc. Check for : 1. SERVICE & REPAIRS Consult...
